Device is protected with extra seals to prevent failures due to any kind of weather.

3.thickness

11.8mm

8.5mm

Best

Asus Zenfone AR 64GB

4.6mm

4.weight

164g

189g

Best

Palm Phone

62.5g

5.width

68mm

73.8mm

Best

Vertu Signature for Bentley

42mm

6.height

123mm

158.1mm

Best

Motorola FlipOut

67mm

Display

1.resolution

480 x 800px

1440 x 2960px

Best

Sony Xperia H8541

2160 x 4320px

2.pixel density

217ppi

529ppi

Best

Sony Xperia H8541

847ppi

3.has branded damage resistant glass

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.

4.screen size

4.3"

6.2"

The bigger the screen size is, the better the user experience.

Best

Huawei Mate 20 X

7.2"

5.every pixel has three subpixels

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

6.Has an AMOLED display

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

AMOLED displays, also known as active matrix OLED displays, offer higher refresh rates and consume less power than other types of displays.

Performance

1.Has integrated LTE

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.

2.Has integrated graphics

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

With integrated graphics you don’t need to buy a separate graphics card.

3.Has out-of-order execution

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Out-of-order execution is used in CPUs to make use of instruction cycles that would normally be wasted due to delays.

For example

ZTE Blade V8 16GB

4.Has AES

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

AES is used to speed up encryption and decryption.

5.Has dynamic frequency scaling

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Dynamic frequency scaling is a technology that allows the processor to conserve power and reduce noise when it is under a light load.

6.RAM

0.7GB

6GB

Best

Vivo NEX 2

10GB

Cameras

1.megapixels

8MP

12MP & 12MP

Best

Huawei Mate 20 X

40 & 20 & 8MP

2.has built-in optical image stabilization

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.

3.Has phase detection autofocus for photos

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

A phase detection autofocus is much faster than a contrast detection autofocus, allowing for sharper images.

4.Has laser autofocus

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

A laser autofocus system quickly determines the depth of the subject you want to focus on, allowing you to take photos much faster.

For example

Huawei Honor Magic 2

5.has a front camera

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

A front camera, also called secondary camera, can be used for video chats/selfies.

6.Has a dual-lens (or multi-lens) main camera

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

A dual-lens camera captures two images and overlays them. This technology creates sharper images, especially in low light conditions, and allows you to use effects such as softening the background.

Audio

1.has stereo speakers

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has a socket for a 3.5 mm audio jack

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

With a standard mini jack socket, you can use the device with most headphones.

3.number of microphones

2

2

More microphones result in better sound quality and enable the device to filter out background noise.

Best

Motorola Moto Z3

4

4.has a radio

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

It works as an FM radio with included headsets

5.has dedicated media keys

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The music player can be blindly used.

For example

ZTE Nubia X

Battery

1.battery power

1230mAh

3500mAh

Best

Energizer Power Max P16K Pro

16000mAh

2.Has an ultra power save mode

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The device can save battery by using just a black-and-white screen with a few basic icons. This means even with a small amount of battery, you can keep the device running for a long time.

For example

Oppo A7

3.wireless charging

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

4.has a removable battery

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

The battery is removable and can be replaced by the user if broken.

5.Supports fast charging

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.

6.has a battery level indicator

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

An indicator shows you when the device has low battery.

Features

1.Is a multi-user system

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

2.Has offline voice recognition

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

3.Supports Java

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

4.Allows app installs on the device's external storage

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

5.Is free and open source

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

6.Has sharing intents

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

If an app has sharing capabilities and the developers have indicated it, the app will automatically appear in your list of sharing options. Some OS’s limit direct sharing options to a select few apps, which means you have to open apps separately in order to upload the files you want to share.

Miscellaneous

1.Has a built-in FM transmitter

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Built-in FM transmitter allows you to wirelessly stream music from your device to any radio, e.g. in your car, at a predefined frequency.

For example

T-Mobile Doubleshot

2.has a 24p cinema mode

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.

For example

Coolpad Quattro 4G

3.supports AVCHD format

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

AVCHD (Advanced Video Coding High Definition) is a file-based format for the digital recording and playback of high-definition video. It's a standard popular among professional cameras and camcorders.

For example

Coolpad Quattro 4G

4.Is a system camera

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

A system camera has lots of changeable parts such as lenses, flashes and other accessories. They offer greater flexibility than compact cameras.

For example

Coolpad Quattro 4G

5.has a dedicated Facebook key

HTC Desire HD

Samsung Galaxy S9 Plus Dual SIM

Whenever the Facebook key lights up contents can be quickly shared by pressing it.